World Resorts USA Dauphin Island Weather

Dauphin Island sea water temperature

Current sea water temperature:
+88.5°F
Minimum sea water temperature in August: 90.0°F
Maximum sea water temperature in August: 83.7°F
Average sea water temperature in August: 86.7°F

Sea water temperature for the last 10 days:

August 12 88.5°F August 7 86.9°F
August 11 87.6°F August 6 86.7°F
August 10 87.4°F August 5 86.7°F
August 9 87.8°F August 4 85.5°F
August 8 86.9°F August 3 86.5°F

When is the warmest sea in Dauphin Island?

Based on the data about daily sea water temperature for the last three years the warmest sea in Dauphin Island was noticed in August, July and September.

Monthly Sea Temperatures in Dauphin Island, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 86.7°F. The highest and lowest sea temperatures during the month were 88.7°F and 84.4°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 86.3°F. The highest and lowest sea temperatures during the month were 89.1°F and 83.7°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 84.2°F. The highest and lowest sea temperatures during the month were 85.8°F and 82.4°F.

Best time for vacation in Dauphin Island

Sunniest months:
October 20 days
September 15 days
November 15 days
Warmest months:
August 86.0 °F
July 85.9 °F
June 84.3 °F
Warmest sea temp:
August 86.7 °F
July 86.1 °F
September 83.7 °F
Coldest months:
January 56.1 °F
February 59.5 °F
December 59.6 °F
Rainiest months:
August 5 days
July 5 days
September 4 days
Windiest months:
January 11.9 mph
March 11.6 mph
February 11.3 mph

Dauphin Island on a weather map

Dauphin Island
+86°F
NE 16 mph
Feels like: +99°F
Precip.: 8%
Places in USA:
Name
°F
+75°F
+84°F
+81°F
+99°F
+77°F
+82°F
+77°F
+82°F
+77°F
+73°F
+64°F
+72°F
+82°F
+82°F
+72°F
24 Hours Forecast
Dauphin Island
Local time: 21:18
August 13, thursday
0000
88°F
NE
17 mph
0300
86°F
NE
16 mph
0600
86°F
NE
17 mph
0900
86°F
E
16 mph
1200
86°F
NE
14 mph
1500
86°F
NE
16 mph
1800
86°F
NE
15 mph
2100
86°F
NE
17 mph
Units of measurement: °C / °F